98810041657 has 2 divisors, whose sum is σ = 98810041658. Its totient is φ = 98810041656.

The previous prime is 98810041597. The next prime is 98810041661. The reversal of 98810041657 is 75614001889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94997102656 + 3812939001 = 308216^2 + 61749^2 .

It is an emirp because it is prime and its reverse (75614001889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98810041657 - 2⁷ = 98810041529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98810041657.

It is not a weakly prime, because it can be changed into another prime (98810045657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49405020828 + 49405020829.

It is an arithmetic number, because the mean of its divisors is an integer number (49405020829).

Almost surely, 2^98810041657 is an apocalyptic number.

It is an amenable number.

98810041657 is a deficient number, since it is larger than the sum of its proper divisors (1).

98810041657 is an equidigital number, since it uses as much as digits as its factorization.

98810041657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 98810041657 in words is "ninety-eight billion, eight hundred ten million, forty-one thousand, six hundred fifty-seven".